Knob



FIG. 1 is a front perspective view of a knob in accordance with a first preferred embodiment of my new design;

FIG. 2 is a right side elevational view thereof, a mirror image of which is a left side elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a front perspective view of a knob in accordance with a second preferred embodiment of my new design;

FIG. 8 is a right side elevational view thereof, a mirror image of which is a left side elevational view thereof;

FIG. 9 is a front elevational view thereof;

FIG. 10 is a rear elevational view thereof;

FIG. 11 is a top plan view thereof; and,

FIG. 12 is a bottom plan view thereof.

The broken lines showing the rear portion of the knob is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a knob, as shown and described. 